This one drove me absolutely nuts….
I recently needed to backup a folder on my iMac onto a DVD-R disc. The problem was, every time I inserted a blank DVD-R disc into my iMac Super Drive, the Disk Utility application would pop up and only give me options to burn ISO images onto the disc. No option to just burn regular files. When I opened up my Finder window, the drive wouldn’t show up there either.
Well after about 2 hours of digging I found the solution…and it’s about as dumb as it gets.
1) Click the little apple icon at the top left of your screen
2) Click “System Preferences”
3) In the “Hardware” section, click “CDs & DVDs
4) Set the “When you insert a blank DVD:” option to “Ask What to Do”
Now eject your disc (if you are having trouble ejecting your disc…don’t worry…I did too…go into your applications folder in your Finder window, click “Utilities”, open up “Disk Utility”, and eject the disc from there).
When you re-insert your disc, your Mac will ask you what you want to do. Click “Open Finder”. At this point, my Finder window did NOT automatically open. If yours doesn’t either, just open Finder the old fashioned way. Once you open your Finder window you will now see your blank DVD listed in the “Places” section. Once it’s there, simply drag the files you want to burn right onto the drive.
When you’re done selecting your files, click on the little Danger symbol next to the DVD-R drive in the Finder window, follow the prompts to burn your disc, and your done!

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